Answer:
15 years
Step-by-step explanation:
subtract 30000 from 36000 to get 6000, then subtract 2000 from 2400, you get 400, then divide 6000 by 400
Answer:
None
Step-by-step explanation:
A + b = 45
a - b = 21
a = 21 + b
Use substitution
21 + b + b = 45
2b = 24
b = 12
45 - 12 = 33
The numbers are 33 and 12
Answer:
169 meters
Step-by-step explanation:
52/4=13 (since it's a square you divide it by 4 because the sides are equal, so each side is 13 meters)
13^2=169 (to find the area you square the length of each side)
0.7 and 14/20 are two different ways to say 7/20